A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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block: misc updates

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This patch makes the following misc updates in preparation for
disk->part dereference fix and extended block devt support.

* implment part_to_disk()

* fix comment about gendisk->part indexing

* rename get_part() to disk_map_sector()

* don't use n which is always zero while printing disk information in
  diskstats_show()

Signed-off-by: Tejun Heo <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Tejun Heo 2008-08-25 19:47:17 +09:00 • committed by Jens Axboe
commit 310a2c1012
5 changed files with 19 additions and 11 deletions
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2
drivers/block/aoe/aoecmd.c
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@ -757,7 +757,7 @@ diskstats(struct gendisk *disk, struct bio *bio, ulong duration, sector_t sector
const int rw = bio_data_dir(bio);
struct hd_struct *part;
part = get_part(disk, sector);
part = disk_map_sector(disk, sector);
all_stat_inc(disk, part, ios[rw], sector);
all_stat_add(disk, part, ticks[rw], duration, sector);
all_stat_add(disk, part, sectors[rw], n_sect, sector);